Custer County Weather in October
Average highs run from 67°F on October 1 to 50°F on October 31, and lows from 37°F to 26°F. Normal precipitation for the month is 0.56 in over about 5 wet days.
October day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
October at a glance
- Average high
- 59°F
- Average low
- 32°F
- Precipitation
- 0.56 in
- Record high
- 84°FOct 3, 2010
- Record low
- -4°FOct 31, 2002
- Chance of a freeze
- 100%
- Daylight
- 11 h 43 min to 10 h 15 min
- Cloud cover
- 55%
- Humidity
- 63%
- Dew point
- 21°F
- Wind
- 5.6 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation.
| Date | Normal high | Normal low | Record high | Record low | Chance wet |
|---|---|---|---|---|---|
| Oct 1 | 67°F | 37°F | 82°F 2010 | 22°F 2002 | 17% |
| Oct 2 | 67°F | 37°F | 83°F 2010 | 26°F 2009 | 17% |
| Oct 3 | 66°F | 36°F | 84°F 2010 | 24°F 1999 | 17% |
| Oct 4 | 66°F | 36°F | 84°F 2024 | 22°F 2012 | 17% |
| Oct 5 | 65°F | 36°F | 81°F 2021 | 21°F 2012 | 17% |
| Oct 6 | 64°F | 35°F | 80°F 2020 | 20°F 2012 | 17% |
| Oct 7 | 64°F | 35°F | 79°F 2020 | 22°F 2012 | 16% |
| Oct 8 | 63°F | 35°F | 80°F 2020 | 24°F 2000 | 16% |
| Oct 9 | 63°F | 34°F | 82°F 2024 | 20°F 2008 | 16% |
| Oct 10 | 62°F | 34°F | 84°F 2015 | 15°F 2009 | 16% |
| Oct 11 | 62°F | 33°F | 77°F 1999 | 14°F 2009 | 16% |
| Oct 12 | 61°F | 33°F | 77°F 2015 | 17°F 2002 | 16% |
| Oct 13 | 60°F | 33°F | 78°F 1999 | 19°F 2002 | 16% |
| Oct 14 | 60°F | 32°F | 78°F 2015 | 20°F 2018 | 16% |
| Oct 15 | 59°F | 32°F | 77°F 2024 | 21°F 2017 | 16% |
| Oct 16 | 59°F | 32°F | 77°F 2024 | 19°F 1999 | 16% |
| Oct 17 | 58°F | 31°F | 78°F 2003 | 19°F 1998 | 17% |
| Oct 18 | 57°F | 31°F | 73°F 2003 | 22°F 2013 | 17% |
| Oct 19 | 57°F | 31°F | 75°F 2003 | 21°F 2019 | 17% |
| Oct 20 | 56°F | 30°F | 79°F 2003 | 22°F 1998 | 17% |
| Oct 21 | 56°F | 30°F | 76°F 2003 | 23°F 1998 | 17% |
| Oct 22 | 55°F | 29°F | 70°F 2021 | 17°F 2008 | 17% |
| Oct 23 | 54°F | 29°F | 69°F 2011 | 14°F 2020 | 17% |
| Oct 24 | 54°F | 29°F | 69°F 1999 | 13°F 2012 | 17% |
| Oct 25 | 53°F | 28°F | 70°F 1999 | 12°F 2020 | 18% |
| Oct 26 | 53°F | 28°F | 74°F 1999 | 6°F 2020 | 18% |
| Oct 27 | 52°F | 28°F | 70°F 2024 | 15°F 2019 | 18% |
| Oct 28 | 51°F | 27°F | 68°F 2003 | 12°F 2019 | 18% |
| Oct 29 | 51°F | 27°F | 68°F 2020 | 3°F 2019 | 18% |
| Oct 30 | 50°F | 27°F | 69°F 2020 | -2°F 2019 | 18% |
| Oct 31 | 50°F | 26°F | 65°F 2008 | -4°F 2002 | 19% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (MDT).
- October 1
- sunrise 7:35 AM, sunset 7:18 PM
- October 31
- sunrise 8:13 AM, sunset 6:28 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00004114 (Challis AP), public domain. Records: NOAA GHCN-Daily, station USW00004114, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.